| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.pm; |
| |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.UserInfo; |
| import android.os.Binder; |
| import android.os.UserHandle; |
| |
| import com.android.internal.util.CollectionUtils; |
| import com.android.server.pm.pkg.PackageStateInternal; |
| import com.android.server.pm.resolution.ComponentResolverApi; |
| |
| import java.util.List; |
| import java.util.function.Function; |
| |
| /** |
| * Abstract Class act as base class for Cross Profile strategy. |
| * This will be used by {@link CrossProfileIntentResolverEngine} to resolve intent across profile. |
| */ |
| public abstract class CrossProfileResolver { |
| |
| protected ComponentResolverApi mComponentResolver; |
| protected UserManagerService mUserManager; |
| |
| public CrossProfileResolver(ComponentResolverApi componentResolver, |
| UserManagerService userManager) { |
| mComponentResolver = componentResolver; |
| mUserManager = userManager; |
| } |
| |
| /** |
| * This method would be overridden by concrete implementation. This method should define how to |
| * resolve given intent request in target profile. |
| * @param computer ComputerEngine instance that would be needed by ComponentResolverApi |
| * @param intent request |
| * @param resolvedType the MIME data type of intent request |
| * @param userId source/initiating user |
| * @param targetUserId target user id |
| * @param flags of intent request |
| * @param pkgName package name if defined. |
| * @param matchingFilters {@link CrossProfileIntentFilter}s configured for source user, |
| * targeting the targetUserId |
| * @param hasNonNegativePriorityResult if source have any non-negative(active and valid) |
| * resolveInfo in their profile. |
| * @param pkgSettingFunction function to find PackageStateInternal for given package |
| * @return list of {@link CrossProfileDomainInfo} |
| */ |
| public abstract List<CrossProfileDomainInfo> resolveIntent(Computer computer, Intent intent, |
| String resolvedType, int userId, int targetUserId, long flags, |
| String pkgName, List<CrossProfileIntentFilter> matchingFilters, |
| boolean hasNonNegativePriorityResult, |
| Function<String, PackageStateInternal> pkgSettingFunction); |
| |
| /** |
| * Filters the CrossProfileDomainInfos, the filtering technique would be defined by concrete |
| * implementation class |
| * @param intent request |
| * @param crossProfileDomainInfos resolved in target user |
| * @param flags for intent resolution |
| * @param sourceUserId source user |
| * @param targetUserId target user |
| * @param highestApprovalLevel highest level of domain approval |
| * @return filtered list of {@link CrossProfileDomainInfo} |
| */ |
| public abstract List<CrossProfileDomainInfo> filterResolveInfoWithDomainPreferredActivity( |
| Intent intent, List<CrossProfileDomainInfo> crossProfileDomainInfos, long flags, |
| int sourceUserId, int targetUserId, int highestApprovalLevel); |
| |
| /** |
| * Checks if mentioned user is enabled |
| * @param userId of requested user |
| * @return true if user is enabled |
| */ |
| protected final boolean isUserEnabled(int userId) { |
| final long callingId = Binder.clearCallingIdentity(); |
| try { |
| UserInfo userInfo = mUserManager.getUserInfo(userId); |
| return userInfo != null && userInfo.isEnabled(); |
| } finally { |
| Binder.restoreCallingIdentity(callingId); |
| } |
| } |
| |
| /** |
| * Filters out {@link CrossProfileDomainInfo} if they are not for any user apart from system |
| * user. If mentioned user is system user, then returns all responses. |
| * @param crossProfileDomainInfos result from resolution |
| * @param userId source user id |
| * @return filtered list of {@link CrossProfileDomainInfo} |
| */ |
| protected final List<CrossProfileDomainInfo> filterIfNotSystemUser( |
| List<CrossProfileDomainInfo> crossProfileDomainInfos, int userId) { |
| if (userId == UserHandle.USER_SYSTEM) { |
| return crossProfileDomainInfos; |
| } |
| |
| for (int i = CollectionUtils.size(crossProfileDomainInfos) - 1; i >= 0; i--) { |
| ResolveInfo info = crossProfileDomainInfos.get(i).mResolveInfo; |
| if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { |
| crossProfileDomainInfos.remove(i); |
| } |
| } |
| return crossProfileDomainInfos; |
| } |
| |
| /** |
| * Returns user info of parent profile is applicable |
| * @param userId requested user |
| * @return parent's user info, null if parent is not present |
| */ |
| protected final UserInfo getProfileParent(int userId) { |
| final long identity = Binder.clearCallingIdentity(); |
| try { |
| return mUserManager.getProfileParent(userId); |
| } finally { |
| Binder.restoreCallingIdentity(identity); |
| } |
| } |
| } |